822 lines
26 KiB
C++
822 lines
26 KiB
C++
// Copyright 2018 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include <unordered_map>
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#include <vector>
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#include "common/assert.h"
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#include "common/bit_field.h"
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#include "common/common_funcs.h"
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#include "common/common_types.h"
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#include "common/math_util.h"
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#include "video_core/gpu.h"
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#include "video_core/macro_interpreter.h"
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#include "video_core/memory_manager.h"
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#include "video_core/textures/texture.h"
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namespace Tegra {
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namespace Engines {
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#define MAXWELL3D_REG_INDEX(field_name) \
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(offsetof(Tegra::Engines::Maxwell3D::Regs, field_name) / sizeof(u32))
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class Maxwell3D final {
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public:
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explicit Maxwell3D(MemoryManager& memory_manager);
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~Maxwell3D() = default;
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/// Register structure of the Maxwell3D engine.
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/// TODO(Subv): This structure will need to be made bigger as more registers are discovered.
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struct Regs {
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static constexpr size_t NUM_REGS = 0xE00;
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static constexpr size_t NumRenderTargets = 8;
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static constexpr size_t NumViewports = 16;
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static constexpr size_t NumCBData = 16;
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static constexpr size_t NumVertexArrays = 32;
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static constexpr size_t NumVertexAttributes = 32;
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static constexpr size_t MaxShaderProgram = 6;
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static constexpr size_t MaxShaderStage = 5;
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// Maximum number of const buffers per shader stage.
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static constexpr size_t MaxConstBuffers = 16;
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enum class QueryMode : u32 {
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Write = 0,
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Sync = 1,
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// TODO(Subv): It is currently unknown what the difference between method 2 and method 0
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// is.
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Write2 = 2,
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};
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enum class QueryUnit : u32 {
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VFetch = 1,
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VP = 2,
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Rast = 4,
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StrmOut = 5,
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GP = 6,
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ZCull = 7,
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Prop = 10,
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Crop = 15,
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};
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enum class QuerySelect : u32 {
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Zero = 0,
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};
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enum class QuerySyncCondition : u32 {
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NotEqual = 0,
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GreaterThan = 1,
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};
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enum class ShaderProgram : u32 {
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VertexA = 0,
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VertexB = 1,
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TesselationControl = 2,
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TesselationEval = 3,
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Geometry = 4,
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Fragment = 5,
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};
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enum class ShaderStage : u32 {
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Vertex = 0,
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TesselationControl = 1,
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TesselationEval = 2,
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Geometry = 3,
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Fragment = 4,
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};
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struct VertexAttribute {
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enum class Size : u32 {
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Size_32_32_32_32 = 0x01,
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Size_32_32_32 = 0x02,
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Size_16_16_16_16 = 0x03,
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Size_32_32 = 0x04,
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Size_16_16_16 = 0x05,
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Size_8_8_8_8 = 0x0a,
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Size_16_16 = 0x0f,
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Size_32 = 0x12,
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Size_8_8_8 = 0x13,
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Size_8_8 = 0x18,
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Size_16 = 0x1b,
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Size_8 = 0x1d,
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Size_10_10_10_2 = 0x30,
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Size_11_11_10 = 0x31,
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};
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enum class Type : u32 {
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SignedNorm = 1,
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UnsignedNorm = 2,
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SignedInt = 3,
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UnsignedInt = 4,
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UnsignedScaled = 5,
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SignedScaled = 6,
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Float = 7,
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};
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union {
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BitField<0, 5, u32> buffer;
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BitField<6, 1, u32> constant;
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BitField<7, 14, u32> offset;
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BitField<21, 6, Size> size;
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BitField<27, 3, Type> type;
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BitField<31, 1, u32> bgra;
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};
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u32 ComponentCount() const {
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switch (size) {
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case Size::Size_32_32_32_32:
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return 4;
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case Size::Size_32_32_32:
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return 3;
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case Size::Size_16_16_16_16:
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return 4;
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case Size::Size_32_32:
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return 2;
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case Size::Size_16_16_16:
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return 3;
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case Size::Size_8_8_8_8:
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return 4;
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case Size::Size_16_16:
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return 2;
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case Size::Size_32:
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return 1;
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case Size::Size_8_8_8:
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return 3;
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case Size::Size_8_8:
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return 2;
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case Size::Size_16:
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return 1;
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case Size::Size_8:
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return 1;
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case Size::Size_10_10_10_2:
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return 4;
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case Size::Size_11_11_10:
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return 3;
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default:
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UNREACHABLE();
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}
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}
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u32 SizeInBytes() const {
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switch (size) {
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case Size::Size_32_32_32_32:
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return 16;
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case Size::Size_32_32_32:
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return 12;
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case Size::Size_16_16_16_16:
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return 8;
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case Size::Size_32_32:
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return 8;
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case Size::Size_16_16_16:
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return 6;
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case Size::Size_8_8_8_8:
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return 4;
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case Size::Size_16_16:
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return 4;
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case Size::Size_32:
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return 4;
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case Size::Size_8_8_8:
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return 3;
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case Size::Size_8_8:
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return 2;
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case Size::Size_16:
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return 2;
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case Size::Size_8:
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return 1;
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case Size::Size_10_10_10_2:
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return 4;
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case Size::Size_11_11_10:
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return 4;
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default:
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UNREACHABLE();
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}
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}
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std::string SizeString() const {
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switch (size) {
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case Size::Size_32_32_32_32:
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return "32_32_32_32";
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case Size::Size_32_32_32:
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return "32_32_32";
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case Size::Size_16_16_16_16:
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return "16_16_16_16";
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case Size::Size_32_32:
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return "32_32";
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case Size::Size_16_16_16:
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return "16_16_16";
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case Size::Size_8_8_8_8:
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return "8_8_8_8";
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case Size::Size_16_16:
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return "16_16";
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case Size::Size_32:
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return "32";
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case Size::Size_8_8_8:
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return "8_8_8";
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case Size::Size_8_8:
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return "8_8";
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case Size::Size_16:
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return "16";
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case Size::Size_8:
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return "8";
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case Size::Size_10_10_10_2:
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return "10_10_10_2";
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case Size::Size_11_11_10:
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return "11_11_10";
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}
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UNREACHABLE();
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return {};
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}
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std::string TypeString() const {
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switch (type) {
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case Type::SignedNorm:
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return "SNORM";
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case Type::UnsignedNorm:
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return "UNORM";
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case Type::SignedInt:
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return "SINT";
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case Type::UnsignedInt:
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return "UINT";
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case Type::UnsignedScaled:
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return "USCALED";
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case Type::SignedScaled:
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return "SSCALED";
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case Type::Float:
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return "FLOAT";
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}
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UNREACHABLE();
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return {};
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}
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bool IsNormalized() const {
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return (type == Type::SignedNorm) || (type == Type::UnsignedNorm);
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}
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};
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enum class PrimitiveTopology : u32 {
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Points = 0x0,
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Lines = 0x1,
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LineLoop = 0x2,
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LineStrip = 0x3,
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Triangles = 0x4,
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TriangleStrip = 0x5,
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TriangleFan = 0x6,
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Quads = 0x7,
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QuadStrip = 0x8,
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Polygon = 0x9,
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LinesAdjacency = 0xa,
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LineStripAdjacency = 0xb,
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TrianglesAdjacency = 0xc,
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TriangleStripAdjacency = 0xd,
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Patches = 0xe,
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};
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enum class IndexFormat : u32 {
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UnsignedByte = 0x0,
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UnsignedShort = 0x1,
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UnsignedInt = 0x2,
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};
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enum class ComparisonOp : u32 {
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Never = 0x200,
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Less = 0x201,
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Equal = 0x202,
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LessEqual = 0x203,
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Greater = 0x204,
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NotEqual = 0x205,
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GreaterEqual = 0x206,
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Always = 0x207,
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};
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struct Cull {
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enum class FrontFace : u32 {
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ClockWise = 0x0900,
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CounterClockWise = 0x0901,
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};
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enum class CullFace : u32 {
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Front = 0x0404,
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Back = 0x0405,
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FrontAndBack = 0x0408,
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};
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u32 enabled;
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FrontFace front_face;
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CullFace cull_face;
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};
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struct Blend {
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enum class Equation : u32 {
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Add = 1,
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Subtract = 2,
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ReverseSubtract = 3,
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Min = 4,
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Max = 5,
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};
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enum class Factor : u32 {
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Zero = 0x1,
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One = 0x2,
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SourceColor = 0x3,
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OneMinusSourceColor = 0x4,
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SourceAlpha = 0x5,
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OneMinusSourceAlpha = 0x6,
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DestAlpha = 0x7,
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OneMinusDestAlpha = 0x8,
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DestColor = 0x9,
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OneMinusDestColor = 0xa,
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SourceAlphaSaturate = 0xb,
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Source1Color = 0x10,
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OneMinusSource1Color = 0x11,
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Source1Alpha = 0x12,
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OneMinusSource1Alpha = 0x13,
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ConstantColor = 0x61,
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OneMinusConstantColor = 0x62,
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ConstantAlpha = 0x63,
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OneMinusConstantAlpha = 0x64,
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};
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u32 separate_alpha;
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Equation equation_rgb;
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Factor factor_source_rgb;
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Factor factor_dest_rgb;
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Equation equation_a;
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Factor factor_source_a;
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Factor factor_dest_a;
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INSERT_PADDING_WORDS(1);
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};
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struct RenderTargetConfig {
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u32 address_high;
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u32 address_low;
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u32 width;
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u32 height;
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Tegra::RenderTargetFormat format;
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u32 block_dimensions;
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u32 array_mode;
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u32 layer_stride;
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u32 base_layer;
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INSERT_PADDING_WORDS(7);
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GPUVAddr Address() const {
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return static_cast<GPUVAddr>((static_cast<GPUVAddr>(address_high) << 32) |
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address_low);
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}
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};
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union {
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struct {
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INSERT_PADDING_WORDS(0x45);
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struct {
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INSERT_PADDING_WORDS(1);
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u32 data;
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u32 entry;
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} macros;
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INSERT_PADDING_WORDS(0x1B8);
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RenderTargetConfig rt[NumRenderTargets];
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struct {
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f32 scale_x;
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f32 scale_y;
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f32 scale_z;
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f32 translate_x;
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f32 translate_y;
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f32 translate_z;
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INSERT_PADDING_WORDS(2);
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MathUtil::Rectangle<s32> GetRect() const {
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return {
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GetX(), // left
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GetY() + GetHeight(), // top
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GetX() + GetWidth(), // right
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GetY() // bottom
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};
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};
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s32 GetX() const {
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return static_cast<s32>(std::max(0.0f, translate_x - std::fabs(scale_x)));
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}
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s32 GetY() const {
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return static_cast<s32>(std::max(0.0f, translate_y - std::fabs(scale_y)));
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}
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s32 GetWidth() const {
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return static_cast<s32>(translate_x + std::fabs(scale_x)) - GetX();
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}
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s32 GetHeight() const {
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return static_cast<s32>(translate_y + std::fabs(scale_y)) - GetY();
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}
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} viewport_transform[NumViewports];
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struct {
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union {
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BitField<0, 16, u32> x;
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BitField<16, 16, u32> width;
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};
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union {
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BitField<0, 16, u32> y;
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BitField<16, 16, u32> height;
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};
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float depth_range_near;
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float depth_range_far;
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} viewport[NumViewports];
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INSERT_PADDING_WORDS(0x1D);
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struct {
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u32 first;
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u32 count;
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} vertex_buffer;
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INSERT_PADDING_WORDS(0x99);
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struct {
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u32 address_high;
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u32 address_low;
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Tegra::DepthFormat format;
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u32 block_dimensions;
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u32 layer_stride;
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GPUVAddr Address() const {
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return static_cast<GPUVAddr>((static_cast<GPUVAddr>(address_high) << 32) |
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address_low);
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}
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} zeta;
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INSERT_PADDING_WORDS(0x5B);
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VertexAttribute vertex_attrib_format[NumVertexAttributes];
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INSERT_PADDING_WORDS(0xF);
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struct {
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union {
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BitField<0, 4, u32> count;
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};
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} rt_control;
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INSERT_PADDING_WORDS(0x2B);
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u32 depth_test_enable;
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INSERT_PADDING_WORDS(0x5);
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u32 independent_blend_enable;
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u32 depth_write_enabled;
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INSERT_PADDING_WORDS(0x8);
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ComparisonOp depth_test_func;
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INSERT_PADDING_WORDS(0xB);
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struct {
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u32 separate_alpha;
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Blend::Equation equation_rgb;
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Blend::Factor factor_source_rgb;
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Blend::Factor factor_dest_rgb;
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Blend::Equation equation_a;
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Blend::Factor factor_source_a;
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INSERT_PADDING_WORDS(1);
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Blend::Factor factor_dest_a;
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u32 enable_common;
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u32 enable[NumRenderTargets];
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} blend;
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INSERT_PADDING_WORDS(0x2D);
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u32 vb_element_base;
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INSERT_PADDING_WORDS(0x49);
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struct {
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u32 tsc_address_high;
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u32 tsc_address_low;
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u32 tsc_limit;
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GPUVAddr TSCAddress() const {
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return static_cast<GPUVAddr>(
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(static_cast<GPUVAddr>(tsc_address_high) << 32) | tsc_address_low);
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}
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} tsc;
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INSERT_PADDING_WORDS(0x3);
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struct {
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u32 tic_address_high;
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u32 tic_address_low;
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u32 tic_limit;
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GPUVAddr TICAddress() const {
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return static_cast<GPUVAddr>(
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(static_cast<GPUVAddr>(tic_address_high) << 32) | tic_address_low);
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}
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} tic;
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INSERT_PADDING_WORDS(0x22);
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struct {
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u32 code_address_high;
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u32 code_address_low;
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GPUVAddr CodeAddress() const {
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return static_cast<GPUVAddr>(
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(static_cast<GPUVAddr>(code_address_high) << 32) | code_address_low);
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}
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} code_address;
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INSERT_PADDING_WORDS(1);
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struct {
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u32 vertex_end_gl;
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union {
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u32 vertex_begin_gl;
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BitField<0, 16, PrimitiveTopology> topology;
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};
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} draw;
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INSERT_PADDING_WORDS(0x6B);
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struct {
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u32 start_addr_high;
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u32 start_addr_low;
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u32 end_addr_high;
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u32 end_addr_low;
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IndexFormat format;
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u32 first;
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u32 count;
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unsigned FormatSizeInBytes() const {
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switch (format) {
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case IndexFormat::UnsignedByte:
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return 1;
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case IndexFormat::UnsignedShort:
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return 2;
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case IndexFormat::UnsignedInt:
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return 4;
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}
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UNREACHABLE();
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}
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GPUVAddr StartAddress() const {
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return static_cast<GPUVAddr>(
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(static_cast<GPUVAddr>(start_addr_high) << 32) | start_addr_low);
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}
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GPUVAddr EndAddress() const {
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return static_cast<GPUVAddr>((static_cast<GPUVAddr>(end_addr_high) << 32) |
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end_addr_low);
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}
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} index_array;
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|
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INSERT_PADDING_WORDS(0x7);
|
|
|
|
INSERT_PADDING_WORDS(0x46);
|
|
|
|
Cull cull;
|
|
|
|
INSERT_PADDING_WORDS(0x77);
|
|
|
|
struct {
|
|
u32 query_address_high;
|
|
u32 query_address_low;
|
|
u32 query_sequence;
|
|
union {
|
|
u32 raw;
|
|
BitField<0, 2, QueryMode> mode;
|
|
BitField<4, 1, u32> fence;
|
|
BitField<12, 4, QueryUnit> unit;
|
|
BitField<16, 1, QuerySyncCondition> sync_cond;
|
|
BitField<23, 5, QuerySelect> select;
|
|
BitField<28, 1, u32> short_query;
|
|
} query_get;
|
|
|
|
GPUVAddr QueryAddress() const {
|
|
return static_cast<GPUVAddr>(
|
|
(static_cast<GPUVAddr>(query_address_high) << 32) | query_address_low);
|
|
}
|
|
} query;
|
|
|
|
INSERT_PADDING_WORDS(0x3C);
|
|
|
|
struct {
|
|
union {
|
|
BitField<0, 12, u32> stride;
|
|
BitField<12, 1, u32> enable;
|
|
};
|
|
u32 start_high;
|
|
u32 start_low;
|
|
u32 divisor;
|
|
|
|
GPUVAddr StartAddress() const {
|
|
return static_cast<GPUVAddr>((static_cast<GPUVAddr>(start_high) << 32) |
|
|
start_low);
|
|
}
|
|
|
|
bool IsEnabled() const {
|
|
return enable != 0 && StartAddress() != 0;
|
|
}
|
|
|
|
} vertex_array[NumVertexArrays];
|
|
|
|
Blend independent_blend[NumRenderTargets];
|
|
|
|
struct {
|
|
u32 limit_high;
|
|
u32 limit_low;
|
|
|
|
GPUVAddr LimitAddress() const {
|
|
return static_cast<GPUVAddr>((static_cast<GPUVAddr>(limit_high) << 32) |
|
|
limit_low);
|
|
}
|
|
} vertex_array_limit[NumVertexArrays];
|
|
|
|
struct {
|
|
union {
|
|
BitField<0, 1, u32> enable;
|
|
BitField<4, 4, ShaderProgram> program;
|
|
};
|
|
u32 offset;
|
|
INSERT_PADDING_WORDS(14);
|
|
} shader_config[MaxShaderProgram];
|
|
|
|
INSERT_PADDING_WORDS(0x80);
|
|
|
|
struct {
|
|
u32 cb_size;
|
|
u32 cb_address_high;
|
|
u32 cb_address_low;
|
|
u32 cb_pos;
|
|
u32 cb_data[NumCBData];
|
|
|
|
GPUVAddr BufferAddress() const {
|
|
return static_cast<GPUVAddr>(
|
|
(static_cast<GPUVAddr>(cb_address_high) << 32) | cb_address_low);
|
|
}
|
|
} const_buffer;
|
|
|
|
INSERT_PADDING_WORDS(0x10);
|
|
|
|
struct {
|
|
union {
|
|
u32 raw_config;
|
|
BitField<0, 1, u32> valid;
|
|
BitField<4, 5, u32> index;
|
|
};
|
|
INSERT_PADDING_WORDS(7);
|
|
} cb_bind[MaxShaderStage];
|
|
|
|
INSERT_PADDING_WORDS(0x56);
|
|
|
|
u32 tex_cb_index;
|
|
|
|
INSERT_PADDING_WORDS(0x395);
|
|
|
|
struct {
|
|
/// Compressed address of a buffer that holds information about bound SSBOs.
|
|
/// This address is usually bound to c0 in the shaders.
|
|
u32 buffer_address;
|
|
|
|
GPUVAddr BufferAddress() const {
|
|
return static_cast<GPUVAddr>(buffer_address) << 8;
|
|
}
|
|
} ssbo_info;
|
|
|
|
INSERT_PADDING_WORDS(0x11);
|
|
|
|
struct {
|
|
u32 address[MaxShaderStage];
|
|
u32 size[MaxShaderStage];
|
|
} tex_info_buffers;
|
|
|
|
INSERT_PADDING_WORDS(0xCC);
|
|
};
|
|
std::array<u32, NUM_REGS> reg_array;
|
|
};
|
|
} regs{};
|
|
|
|
static_assert(sizeof(Regs) == Regs::NUM_REGS * sizeof(u32), "Maxwell3D Regs has wrong size");
|
|
|
|
struct State {
|
|
struct ConstBufferInfo {
|
|
GPUVAddr address;
|
|
u32 index;
|
|
u32 size;
|
|
bool enabled;
|
|
};
|
|
|
|
struct ShaderStageInfo {
|
|
std::array<ConstBufferInfo, Regs::MaxConstBuffers> const_buffers;
|
|
};
|
|
|
|
std::array<ShaderStageInfo, Regs::MaxShaderStage> shader_stages;
|
|
};
|
|
|
|
State state{};
|
|
MemoryManager& memory_manager;
|
|
|
|
/// Reads a register value located at the input method address
|
|
u32 GetRegisterValue(u32 method) const;
|
|
|
|
/// Write the value to the register identified by method.
|
|
void WriteReg(u32 method, u32 value, u32 remaining_params);
|
|
|
|
/// Returns a list of enabled textures for the specified shader stage.
|
|
std::vector<Texture::FullTextureInfo> GetStageTextures(Regs::ShaderStage stage) const;
|
|
|
|
/// Returns the texture information for a specific texture in a specific shader stage.
|
|
Texture::FullTextureInfo GetStageTexture(Regs::ShaderStage stage, size_t offset) const;
|
|
|
|
/// Returns whether the specified shader stage is enabled or not.
|
|
bool IsShaderStageEnabled(Regs::ShaderStage stage) const;
|
|
|
|
private:
|
|
std::unordered_map<u32, std::vector<u32>> uploaded_macros;
|
|
|
|
/// Macro method that is currently being executed / being fed parameters.
|
|
u32 executing_macro = 0;
|
|
/// Parameters that have been submitted to the macro call so far.
|
|
std::vector<u32> macro_params;
|
|
|
|
/// Interpreter for the macro codes uploaded to the GPU.
|
|
MacroInterpreter macro_interpreter;
|
|
|
|
/// Retrieves information about a specific TIC entry from the TIC buffer.
|
|
Texture::TICEntry GetTICEntry(u32 tic_index) const;
|
|
|
|
/// Retrieves information about a specific TSC entry from the TSC buffer.
|
|
Texture::TSCEntry GetTSCEntry(u32 tsc_index) const;
|
|
|
|
/**
|
|
* Call a macro on this engine.
|
|
* @param method Method to call
|
|
* @param parameters Arguments to the method call
|
|
*/
|
|
void CallMacroMethod(u32 method, std::vector<u32> parameters);
|
|
|
|
/// Handles writes to the macro uploading registers.
|
|
void ProcessMacroUpload(u32 data);
|
|
|
|
/// Handles a write to the QUERY_GET register.
|
|
void ProcessQueryGet();
|
|
|
|
/// Handles a write to the CB_DATA[i] register.
|
|
void ProcessCBData(u32 value);
|
|
|
|
/// Handles a write to the CB_BIND register.
|
|
void ProcessCBBind(Regs::ShaderStage stage);
|
|
|
|
/// Handles a write to the VERTEX_END_GL register, triggering a draw.
|
|
void DrawArrays();
|
|
};
|
|
|
|
#define ASSERT_REG_POSITION(field_name, position) \
|
|
static_assert(offsetof(Maxwell3D::Regs, field_name) == position * 4, \
|
|
"Field " #field_name " has invalid position")
|
|
|
|
ASSERT_REG_POSITION(macros, 0x45);
|
|
ASSERT_REG_POSITION(rt, 0x200);
|
|
ASSERT_REG_POSITION(viewport_transform[0], 0x280);
|
|
ASSERT_REG_POSITION(viewport, 0x300);
|
|
ASSERT_REG_POSITION(vertex_buffer, 0x35D);
|
|
ASSERT_REG_POSITION(zeta, 0x3F8);
|
|
ASSERT_REG_POSITION(vertex_attrib_format[0], 0x458);
|
|
ASSERT_REG_POSITION(rt_control, 0x487);
|
|
ASSERT_REG_POSITION(depth_test_enable, 0x4B3);
|
|
ASSERT_REG_POSITION(independent_blend_enable, 0x4B9);
|
|
ASSERT_REG_POSITION(depth_write_enabled, 0x4BA);
|
|
ASSERT_REG_POSITION(depth_test_func, 0x4C3);
|
|
ASSERT_REG_POSITION(blend, 0x4CF);
|
|
ASSERT_REG_POSITION(vb_element_base, 0x50D);
|
|
ASSERT_REG_POSITION(tsc, 0x557);
|
|
ASSERT_REG_POSITION(tic, 0x55D);
|
|
ASSERT_REG_POSITION(code_address, 0x582);
|
|
ASSERT_REG_POSITION(draw, 0x585);
|
|
ASSERT_REG_POSITION(index_array, 0x5F2);
|
|
ASSERT_REG_POSITION(cull, 0x646);
|
|
ASSERT_REG_POSITION(query, 0x6C0);
|
|
ASSERT_REG_POSITION(vertex_array[0], 0x700);
|
|
ASSERT_REG_POSITION(independent_blend, 0x780);
|
|
ASSERT_REG_POSITION(vertex_array_limit[0], 0x7C0);
|
|
ASSERT_REG_POSITION(shader_config[0], 0x800);
|
|
ASSERT_REG_POSITION(const_buffer, 0x8E0);
|
|
ASSERT_REG_POSITION(cb_bind[0], 0x904);
|
|
ASSERT_REG_POSITION(tex_cb_index, 0x982);
|
|
ASSERT_REG_POSITION(ssbo_info, 0xD18);
|
|
ASSERT_REG_POSITION(tex_info_buffers.address[0], 0xD2A);
|
|
ASSERT_REG_POSITION(tex_info_buffers.size[0], 0xD2F);
|
|
|
|
#undef ASSERT_REG_POSITION
|
|
|
|
} // namespace Engines
|
|
} // namespace Tegra
|